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In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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This is an activity about lung capacity. Learners will measure their own lung capacity using a homemade spirometer.

1 cent - $1 per student Ages 6 - 18 10 to 30 minutes
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Yes, you can weigh your car by figuring out your wheel's tire pressure combined with the "tire's footprint." You'll need someone with a car, driver's license, and safety in mind.

free Ages 11 - adult 10 to 30 minutes
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In this activity, learners will determine if the frequency and intensity of hurricanes are changing using real data from the National Hurricane Center.

free Ages 14 - 18 1 to 2 hours